Xperia ZR is now receive the Android 4.2.2 Jelly Bean firmware together with its sibling Xperia Z and ZL. It is the same 10.3.1.A.0.244 firmware for these three devices. Sony Xperia ZR is the only one which left behind the Android 4.2.2 Jelly Bean firmware as compared to Xperia Z and ZL. Nevertheless, you can now enjoy the exclusive 4.2.2 Jelly Bean features on your devices.

This 10.3.1.A.0.244 firmware update is 692MB in size. Sony have patched the perf_event exploit in the newer kernel. For those who have rooted their Xperia ZR on 10.1.1.A.1.317, you are not recommended to flash 10.3.1.A.0.244 ftf file directly using Sony Flashtool as your device’s root access will be lose. Please wait patiently until we published the working root method for Xperia ZR on latest 10.3.1.A.0.244 Android 4.2.2 firmware.

10.3.1.A.0.244 is an official Jelly Bean firmware release by Sony Mobile, you can either choose to update it via OTA, Sony PC Companion/Sony Bridge or manual update if you can’t wait any longer. In this entry, we will cover all these 3 methods. You do not need to erase your phone data with upgrade above. However, it is recommended to do a factory reset on your devices if you found errors, force close, or application compatibility issue after upgrade. In worst case, you are still able to revert your device firmware back to previous firmware version.

Sony Xperia ZR is one of the great android smartphone after release of his sibling, Sony Xperia Z. Itis equipped with 1.5GHz quad core Qualcomm Snapdragon APQ8064 processor with GPU Adreno 320. It has 2GB RAM and internal 8GB internal storage, an additional 32GB SD card slot. Sony Xperia ZE has a 4.55 inch TFT HD (1280 x 720 pixels) display with 323 ppi pixel density. It has also an non-removable battery with NFC. Sony Xperia ZR is known as of its under-water photo shooting & video recording, well water-resistant and dust resistant features. Android 4.1.2 Jelly Bean is the stock operating system firmware out of the box and upgradable to Android 4.2., pre-installed with Sony Mobile Battery Saving Mode.

Android 4.2.2 Jelly Bean Firmware Changelog

“Photo Sphere” panorama photos

Keyboard with gesture typing (this feature is also available for Android 4.0 and later via the Google Keyboard app)

Lock screen improvements, including widget support and the ability to swipe directly to camera

Notification power controls (“Quick Settings”)

“Daydream” screensavers, showing information when idle or docked

Multiple user accounts (tablets only)

Support for wireless display (Miracast)

Accessibility improvements: triple-tap to magnify the entire screen, pan and zoom with two fingers. Speech output and Gesture Mode navigation for blind users

New clock app with built-in world clock, stop watch and timer

All devices now use the same interface layout, previously adapted from phones on 4.1 for smaller tablets (with centered software buttons, the system bar at the top of the screen, and a home screen with a dock and centered application menu), regardless of screen size

Increased number of extended notifications and Actionable Notifications for more apps, allowing users to respond to certain notifications within the notification bar and without launching the app directly

SELinux

Always-on VPN

Premium SMS confirmation

Group Messaging

Fixed a bug in the People app where December was not displayed on the date selector when adding an event to a contact

Added Bluetooth gamepads and joysticks as supported HID

Fixed Bluetooth audio streaming bugs

Long-pressing the Wi-Fi and Bluetooth icons in Quick Settings now toggles the on/off state

New download notifications, which now shows the percentage and estimated time remaining for active app downloads

We have total 3 ways to update your devices officially. They are update via OTA (Over-The-Air), update via Sony PC Companion for Windows/Sony Bridge for Mac and manual update via Sony Flash Tool. Update via OTA and Samsung Kies are the easiest ways for update yet you have to wait the release from Samsung (It could takes up to a month of waiting). Manual update with Odin is the fastest way to get latest update yet need some additional manual installation steps. We will cover all 3 update methods in our tutorial.

Disclaimer: It’s always a risk to modify your device. We, Android Teen are not responsible for any damage or bricks on your device. Your device warranty may void with any mod. Check your devices warranty’s term & conditions before start.(HTC,Samsung,LG, Sony, Motorola). Use this guide on your own risk, contact us for help if you face problem.

Reminder: Firmware upgrade should not delete your device data yet you may experience inconsistent performance after upgrade. Optionally, we recommend you to make a backup and do a clean upgrade. Ensure you meet the requirements before proceed. Contact us if you face problem.

A 17 years old young tech enthusiast who loves Android and smartphone. He love to learn and share Android latest technologies to public users. He likes to play around with custom ROM flashing, customize theme, system tweaking and discussion with other developers on Android development. Now, he owns Galaxy S3, LG Optimus L5, Sony Xperia Z and pre-owned Sony Xperia P, HTC One X, LG Optimus G.